PALFINGER AG

PALFINGER AG Patent applications

Patent application number

Title

Published

20140263145

CRANE, IN PARTICULAR LOADING CRANE FOR A VEHICLE - A crane includes a crane pillar rotatably mounted about a vertical axis, at least one jib, connected to the crane pillar and pivotally mounted about a horizontal axis, at least one jib extension movably mounted in the jib, and at least one piston-cylinder unit for extending and retracting the jib extension relative to the jib. The first end of the piston-cylinder unit engages the jib via at least one first force-introducing region, and the second end engages the at least one jib extension via at least one second force-introducing region. The piston-cylinder unit has a central plane parallel to the horizontal axis about which the jib is pivotally mounted, and the piston-cylinder unit has a compressive deformation perpendicular to the central plane in a pressure-loaded state while the jib is being extended and a tensile deformation opposite the compressive deformation in a tension-loaded state while the jib is being retracted.

09-18-2014

20140032060

METHOD AND DEVICE FOR MONITORING THE STABILITY OF A LOADING CRANE MOUNTED ON A VEHICLE - The invention relates to a method for monitoring at least one stability parameter of a loading crane mounted on a vehicle, wherein during crane operation the vehicle is supported on the ground by means of wheels and by means of supporting elements separate from the wheels, wherein both contributions of the wheels and contributions of the supporting elements are measured to a magnitude of the stability parameter and said magnitude is compared with at least one predetermined limit value.